BC20 Bluetooth Car Kit Handsfree Speakerphone Wireless Music Player Car Charger Feature: Apply to your smartphone, tablet and other devices, you can make your way through the wireless from your car stereo to play back synchronized to music on your smart device! It can easily and simply to upgrade your car stereo Bluetooth hands-free wireless audio! You can cozily browse your music on the list to select your favorite music and make hands-free calls in the car within the scope of smart devices. Support music play / pause, previous song, next song. It supports up to five phone connection, and connect to the last one priority paired phone. Built-in Microphone, hands-free answer calls and listen to music when your driving. Support Bluetooth hands-free function, you can drive while listening to music! It supports all with AUX input of the car stereo. Up to 90dB SNR and low audio distortion of 0.05%, fully satisfy your demand for high quality audio! Specifications: Input: 12~24V USB Output: 5V/2.1A Supports bluetooth profiles: HFP, HSP, A2DP and AVRCP Working temperature: 0~60 degree SNR: >90dB THD: <0.05% Bluetooth Version:Version 2.1+EDR Bluetooth transmission distance:<10M Package Included: 1 x Bluetooth car kit 1 x 3.5mm Audio Cable 1 x User Manual Notes: Conversion1 inch = 25.4mm or 1mm = 0.0393 inch 1. Due to the difference between different monitors, the pictures may not reflect the actual color of the item. 2. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. 3. Please leave a message before you give the bad feedback, if the products have some problems. Thanks for your understanding and have a nice day!